window.onload = function(){
  var container = document.querySelector(".container");
  var percent = document.querySelector(".percent");
  let percenrnum = 0;
  var timer = setInterval(function(){
    percenrnum += 1; 
    if(percenrnum >= 100){
      clearInterval(timer)
      container.style.filter = `blur(${100-percenrnum}px)`
      percent.innerText = `${percenrnum}%`
      percent.style.display = 'none'
    }
    container.style.filter = `blur(${100-percenrnum}px)`
    percent.style.opacity = `${(100-percenrnum)/100}`
    percent.innerText = `${percenrnum}%`
  },20)
}